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DL1Sport / TechSpecification

Technical Specification

Memory Compact flash type I. Formatted as FAT/FAT16 or FAT32
GPS Outputs position, speed, position accuracy and speed accuracy every 200ms with no interpolation. GPS tracking loops optimised for applications up to about 4g. tracking of all satellites in view.
GPS Antenna Magnetic base, 3.3v active antenna with SMA connector.
Analogue Inputs 8 external inputs, all 12 bit resolution and 0-12v. All inputs are protected to twice maximum input voltage.
Lap Beacon Input Triggering voltage requires a low input of <1v and a high input of >4v and 15v maximum.
Start Sample Input Input requires grounding to start sampling and again to stop sampling.
GoPro control output Pulls low at start and end of logging to trigger a GoPro camera to start/stop recording.
Power Supply Requirements 12v nominal input, minimum of 10v, maximum of 15v. Current consumption of about 180mA including GPS, dependant on compact flash card size +5v Reference Out Maximum current draw 100mA, tolerance 1%.
Ignition In Signal (High Level) Triggered by fast voltage transients. Can be connected directly to the low tension side of the ignition coil.
Ignition In Signal (Low Level) Triggering voltage requires a low input of <1v and a high input of >4v and 15v maximum. Suitable for connection directly to most ECU tacho outputs. Maximum input frequency >300Hz.
Case Construction Injection moulded plastic
Connector Type 3.5mm pitch lever connectors
Main Processor 40MHz RISC with embedded flash program memory
Serial Ports Outputs sensor data for display on DASH unit.. Also used for re flashing, diagnostics and configuration. Also used to connect to an ECU adapter for logging additional data.
Accelerometers 3 axis, precision digital output. Guaranteed 2g minimum full scale on both axes. Resolution of 0.005g. Optional 6g sensor available as a factory option.
Vibration Factory tested at 25g, 50Hz sinusoid for 5 minutes (without compact flash card inserted).
Temperature Factory tested from -20oC to 70oC
Dimensions 123mm wide, 70mm deep (excluding rear connectors), 34mm high

"WARNING": To avoid any possible damage to the car paintwork, please take care when mounting magnetic GPS antennas. In particular make sure that there are no dust or grit under the antenna. In some cases it maybe required to add additional protection to the paintwork prior to mounting the antenna to avoid damage.

Identifying Your Unit

Several different versions of the DL1 have been released. For information on identifying your unit, please click on the following link:

Page last modified on January 21, 2015, at 12:10 PM